Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02M - Apparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems; Conversion of dc or ac input power into surge output power; Control or regulation thereof › H02M 1 - Details of apparatus for conversion
Patents for H02M 1 - Details of apparatus for conversion (33,954)
09/2012
09/20/2012US20120235651 Power supplies and related methods capable of reducing output voltage ripple
09/20/2012DE102012102154A1 Halbleiteranordnung mit einer schaltung zur kompensation parasitärer induktivitäten A semiconductor device comprising a circuit for compensation of parasitic inductances
09/20/2012DE102012102138A1 Charging circuit of four-quadrant type for charging electric energy storage device of vehicle electrical system with direct current voltage, has transistor, coupling capacitor and inductor for controlling charging current on generator side
09/20/2012DE102011108495A1 Aktives Strommanagement eines Leistungsmoduls zur Wirkungsgradverbesserung Active power management of a power module to improve efficiency
09/20/2012DE102011014536A1 Electronic system for e.g. electrically coupling generators of e.g. hydroelectric power plant, has housing provided with quickly screwable, pluggable or fixable mounting locations for direct current-direct current converter
09/20/2012DE102011014165A1 Umrichter für eine elektrische Maschine und Verfahren zur Ansteuerung eines Leistungsschalters Drive for an electrical machine and method for driving a circuit breaker
09/20/2012DE102011005596A1 Elektronisches Vorschaltgerät zum Betreiben mindestens einer LED und/oder mindestens einer Entladungslampe Electronic ballast for operating at least one LED and / or at least one discharge lamp
09/20/2012CA2830330A1 Gate control circuit, power module and associated method
09/19/2012EP2501026A2 Optimized software-driven soft-start algorithm
09/19/2012EP2501025A1 Power supply circuit comprising two DC/DC converters
09/19/2012EP2501024A1 Circuit arrangement for driving a high-side semiconductor switch
09/19/2012EP2499731A1 Power system having voltage-based monitoring for over current protection
09/19/2012EP2499730A2 Inverter with voltage clamping device
09/19/2012EP2499729A2 Inverter with voltage clamping device
09/19/2012EP2499728A2 Control circuit for an electrical drive device and electrical drive device having such a control circuit
09/19/2012EP2499727A2 Power switch arrangement for an inverter
09/19/2012CN202444441U High-efficiency adapter
09/19/2012CN202444435U Switching type power supply device with low electromagnetic interference
09/19/2012CN202444428U High-power harmonic power supply device
09/19/2012CN202444425U Photovoltaic generation DC (direct current) energy storage DC/DC bidirectional transducer
09/19/2012CN202444419U Ozone inverter power supply control system
09/19/2012CN202444418U Preventing electromagnetic interference (EMI) adaptor
09/19/2012CN202444417U Startup automatic starting circuit for long-distance meter reading communication module
09/19/2012CN202444416U Starting device without starting resistance
09/19/2012CN202444415U Inverter power supply module of intelligent integrated power supply system
09/19/2012CN202444414U Wave clipper for direct-current power grid system
09/19/2012CN202444413U Parallel connection power factor correction converter with low output ripple
09/19/2012CN202444412U High-voltage digital power supply device
09/19/2012CN202444411U Thyristor controller of power supply circuit
09/19/2012CN202444410U Switch power supply and control circuit thereof
09/19/2012CN202444409U Three-phase power unit modular flameproof frequency converter for mining
09/19/2012CN202444408U Cooling system for frequency converter of centrifugal unit and air-conditioner with cooling system
09/19/2012CN202444407U Cooling system of air-conditioner and centrifugal unit transducer in air-conditioner
09/19/2012CN202444406U Matching circuit and high-power pulse power supply using the same
09/19/2012CN202444405U Novel DC switch power supply
09/19/2012CN202444404U Multilayer copper bar fixing structure of driver
09/19/2012CN202444403U Fault through current transformer
09/19/2012CN202444311U Power-factor correction circuit in uninterruptible power supply special for electric power
09/19/2012CN202443052U Detection circuit and power correction circuit for discharging current of inductor
09/19/2012CN102687381A Method for controlling an inverter for driving a swing motor
09/19/2012CN102687380A Phase control with adaptive parameters
09/19/2012CN102687379A Power switch arrangement for an inverter
09/19/2012CN102685979A Electronic control gear for operating at least one led and/or at least one discharge lamp
09/19/2012CN102684544A Maximum power point tracking controller for three-phase photovoltaic power generation system
09/19/2012CN102684523A Solar photovoltaic inverter topology circuit
09/19/2012CN102684518A High-frequency redundancy PWM (pulse-width modulation) rectifier device and method based on instantaneous current feedforward control
09/19/2012CN102684513A Uninterruptible power supply and rectifying circuit of uninterruptible power supply
09/19/2012CN102684492A High power factor converter
09/19/2012CN102684479A 电荷泵式分压电路及其启动方法 Charge pump voltage divider circuit and start method
09/19/2012CN102684473A Half-bridge circuit
09/19/2012CN102684472A Three-phase power factor correction circuit device
09/19/2012CN102684471A Single-stage isolation power factor correction (PFC) power circuit for zero input rectifying element
09/19/2012CN102684470A Method for controlling stable operation of integer power factor of variable-frequency air conditioner
09/19/2012CN102684469A Uninterruptible power supply, and method and device for controlling same
09/19/2012CN102684468A Bypass cross control circuit and control method of high-voltage frequency conversion device
09/19/2012CN102684467A Bypass processing method and controller for power unit of H-bridge cascade type equipment
09/19/2012CN102684466A Low-voltage ride-through bus voltage device of driver
09/19/2012CN102684465A Pulse-width modulation (PWM) rectifier control method based on current instruction generation in case of power grid imbalance
09/19/2012CN102684464A Resonant converter device and use method therefor
09/19/2012CN102684463A Power converter and power converter of rolling stock
09/19/2012CN102684462A Novel low end metal oxide semiconductor field effect transistor (MOSFET)/ insulated gate bipolar transistor (IGBT) negative pressure clamping driving circuit and control method thereof
09/19/2012CN102684461A Semiconductor device including circuit to compensate for parasitic inductance
09/19/2012CN102684460A Frequency soft clamp system for quasi-resonant switching power supply and method
09/19/2012CN102684459A Reference voltage current circuit with ultra-low temperature sensitivity and switch power supply using same
09/19/2012CN102684458A Driving circuit of power switching tube and switching power circuit employing driving circuit
09/19/2012CN102684457A High-voltage bridge circuit and manufacturing method thereof
09/19/2012CN102684456A Energy conversion device and related distribution method
09/19/2012CN102684455A Intrinsic safety type converter with wide input voltage range
09/19/2012CN102684454A Composite external cooling system for DC power transmission converter valve
09/19/2012CN102684453A Starting circuit for discharging electromagnetic interference filter of power supply supplier
09/19/2012CN102684274A Charger for electric vehicle
09/19/2012CN102684204A Cascading-type STATCOM DC side capacitor voltage balance control method
09/19/2012CN102683409A Methods for fabricating transistors including circular trenches
09/19/2012CN102682952A Reactor and power converter using the same
09/19/2012CN102682935A Insulating support flange for current loop system
09/19/2012CN101924459B Switching signal interface circuit based on double photoelectric isolation
09/19/2012CN101908819B Surge suppression circuit
09/19/2012CN101841229B External clock synchronizing device of switching power supply
09/19/2012CN101841226B Power supply circuit for improving transient variation reaction, control circuit and method thereof
09/19/2012CN101771335B Isolated drive circuit of DC converter
09/19/2012CN101741228B Active load master circuit for eliminating common mode surge interference
09/19/2012CN101674004B Circuit for improving light-load power factor of power supply
09/19/2012CN101562442B Frequency jittering circuit and low-frequency triangle wave generator
09/18/2012US8270188 Apparatus and methodology for generating an auxiliary low power output by using three-phase input power
09/18/2012US8270187 Electric power supply circuit with PAM waveform correction
09/13/2012WO2012121207A1 Waveform compensation method and waveform compensation circuit
09/13/2012WO2012119556A1 Current reference generating circuit, control circuit and method of constant current switching power supply
09/13/2012WO2012119357A1 Connecting unit applicable to high voltage variable-frequency governor
09/13/2012WO2012119244A1 Single stage power factor corrected flyback converter with constant current multi-channel output power supply for led applications
09/13/2012WO2011088930A3 Control system and method for diagnosis in a multi-channel pwm microcontroller
09/13/2012US20120230069 Startup control circuit with acceleration startup function and method for operating the same
09/13/2012US20120230068 Converter with power factor correction
09/13/2012US20120229055 Power converter and power converter of rolling stock
09/12/2012EP2498389A2 Self-excited switching power supply circuit
09/12/2012EP2498388A2 Power conversion apparatus and power conversion method thereof
09/12/2012EP2498387A1 Power converter and power converter of rolling stock
09/12/2012EP2498166A2 Power management system
09/12/2012EP2497179A2 Battery system with dc/dc converter
09/12/2012EP2496437A2 Vehicular electric power unit and method of controlling the same
09/12/2012DE202012101922U1 Kühlanordnung für ein Computer-Netzteil Cooling system for a computer power supply
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